By THE ASSOCIATED PRESS Filed at 1:01 p.m. ET BAGHDAD, Iraq (AP) -- Sen. Hillary Rodham Clinton said Saturday a string of attacks killing more than 50 Iraqis in two days were failed attempts to sow sectarian strife and destabilize the country. Clinton, a New York Democrat, and Sen. John McCain, R-Ariz., were part of a five-member congressional delegation that met with U.S. officials and members of Iraq's interim government. Both Clinton and McCain have been strident critics of the Pentagon's planning and management of the war in Iraq. But Clinton said Saturday that Sunni Muslim insurgents were failing in...